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Home/Cars/Tesla/Model S/Plaid/Refresh (2021-present)/why does my Tesla Model S Plaid/Refresh (2021-present) dashboard lights keep flickering?

why does my Tesla Model S Plaid/Refresh (2021-present) dashboard lights keep flickering?

Tesla Model S Plaid/Refresh (2021-present)

Severity: mediumDifficulty: medium1-3 hours
3 min read
520 words

Problem Statement

Learn how to diagnose and fix flickering dashboard lights in Tesla Model S Plaid. Step-by-step guide with diagnostic procedures and repair instructions.

Component
Electrical
Repair Time
1-3 hours

Safety Warnings

  • ⚠Disconnect the battery before working on electrical systems to prevent shocks or shorts.
  • ⚠Allow the vehicle to sit for a few minutes before starting any electrical work to ensure capacitors discharge.

Symptoms

  • •Dashboard lights flickering or dimming
  • •Occasional warnings displayed on the screen
  • •Unresponsive touchscreen or delayed input
  • •Battery management system errors
  • •Increased power consumption or rapid battery drain

Diagnostic Steps

  1. 1Check for any software updates available for the vehicle through the Tesla app or vehicle settings.
  2. 2Inspect the 12V battery voltage and connections for any signs of corrosion or loose connections.
  3. 3Use the Tesla diagnostic tool to scan for any error codes related to the dashboard or electrical system.
  4. 4Observe the behavior of the touchscreen and dashboard during driving conditions to identify patterns in flickering.
  5. 5Disconnect and reconnect the main battery pack to reset the systems (if owner access is available and appropriate).
  6. 6Review any recent changes or modifications made to the vehicle's electrical system.

Solution

Solution

1. Preparation

  • Gather necessary tools including a multimeter, socket set, and Tesla diagnostic tool.
  • Ensure the vehicle is parked on a flat surface and set to “Park” mode.
  • Disconnect the main battery power according to Tesla guidelines (if applicable).

2. Update Software

  • Access the vehicle's touchscreen and navigate to 'Software' settings.
  • Check for any available updates and follow the on-screen instructions to install them.
  • Restart the vehicle after the update is completed.

3. Inspect 12V Battery

  • Using a multimeter, measure the voltage of the 12V battery; it should read between 12.4V to 12.7V when fully charged.
  • If the voltage is low, consider replacing the 12V battery.
  • Clean any corrosion from the battery terminals and ensure tight connections.

4. Reset the Vehicle

  • If the problem persists, perform a soft reset by holding down both scroll buttons on the steering wheel until the screen turns off and back on.
  • Allow the vehicle to reboot completely.

5. Inspect Electrical Connections

  • Remove any covers to access the vehicle's main electrical connections.
  • Check for loose wires, damaged harnesses, or any signs of wear.
  • Tighten any loose connections and replace damaged components as necessary.

Verification

After completing the repair, verify that the issue has been resolved:

  • Test the affected component to ensure it functions correctly
  • Check for any error codes or warning lights
  • Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • Multimeter
  • Socket set
  • Tesla diagnostic tool

Parts Required

  • 12V battery (if replacement is necessary)
  • Electrical connectors (if damaged)

Additional Information

Component

Electrical

Repair Time

1-3 hours

Difficulty

medium

Severity

medium

Tools

3 items

Parts

2 items

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